public class Words
{
   /**
      Computes a string that repeats every letter 't' in the original string.
      @param s any string
      @return a string with the same characters as s, except that every letter 't' is repeated
   */
   public String stutter(String s)
   {
      // your work here
      String s1="";
      
      int n=s.length();
      
      int k=0;
      for(int i=0; i<n; i++) {
         s1+=s.charAt(i);
         k++; 
         if(s.charAt(i)=='t') {
            s1+='t';
            k++; 
         }
      }
   
      return s1;
   
   
   
   }
}